Note
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A DC does not perform originating updates that do not affect the state of the DC. For example, given an LDAP Modify operation that sets the value of an attribute A to a value V, if the value of A is already V prior to the Modify operation, the DC skips the update and returns success. The stamp associated with A is not changed, and the Modify operation does not cause replication traffic.
When the LDAP_SERVER_FORCE_UPDATE_OID control is attached to an update operation, the DC does not perform the optimization described in the previous paragraph. The update always generates a new stamp for the attribute or link value and always replicates.
When sending this control to a DC, the controlValue field of the Control structure is omitted. Sending this control to a DC does not cause the DC to include any controls in its response.